Applicable Motor Type: Fit for QS wheel hub motor, fit for QS medium drive motor, applicable for electric motorcycles, electric bicycles. Motor Speed Control: The controller can effectively control the motor, obviously enhance the speed and power of the motor, ensure high speed motor operation. High Performance: Sine controller has stable effect, not easy to fluctuate, high efficiency, IP67 waterproof, 170% flux weaking ratio, and CE, CCC certified. Main Function: Equipped with Hall sensor, support PC programmable, program port, motion model, can be used for parking, anti theft, magnetic flux attenuated current. Parameter: The Available Battery Voltage is 48V-72V, maximum DC current is 300A, boost DC current is 80A, peak phase current is 300A, and maximum power is 18792W. Boost DC Current: 80A 4. Peak Phase Current: 300A 5. Mosfets Detail: 12 FET 7. Matched Motor Rated Power: 800W-2000W 8. Maximum Efficiency: 87% 9. Degree of Waterproof: IP67 10. Flux Weaking Ratio: 170% 11. Certification: CE, CCC 12. Working Communication: Hall Sensor 13. Applicable Motor Type: QS hub motor, QS medium drive motor, compatible with QS motor, if it is another type of motor need to be tested by yourself Applicable Models: Electric motorcycles, electric bicycles. 3 x Wiring Cable. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. We will reply your message within 48 hours. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.